66
|
1 /**
|
|
2 * Stone of Orthanc
|
|
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
|
|
4 * Department, University Hospital of Liege, Belgium
|
|
5 * Copyright (C) 2017 Osimis, Belgium
|
|
6 *
|
|
7 * This program is free software: you can redistribute it and/or
|
|
8 * modify it under the terms of the GNU Affero General Public License
|
|
9 * as published by the Free Software Foundation, either version 3 of
|
|
10 * the License, or (at your option) any later version.
|
|
11 *
|
|
12 * This program is distributed in the hope that it will be useful, but
|
|
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
15 * Affero General Public License for more details.
|
|
16 *
|
|
17 * You should have received a copy of the GNU Affero General Public License
|
|
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
19 **/
|
|
20
|
|
21
|
|
22 #include "LayerWidget.h"
|
|
23
|
|
24 #include "../../Resources/Orthanc/Core/Logging.h"
|
|
25
|
|
26 namespace OrthancStone
|
|
27 {
|
|
28 class LayerWidget::Scene : public boost::noncopyable
|
|
29 {
|
|
30 private:
|
|
31 SliceGeometry slice_;
|
|
32 size_t countMissing_;
|
|
33 std::vector<ILayerRenderer*> renderers_;
|
|
34
|
|
35 void DeleteLayer(size_t index)
|
|
36 {
|
|
37 if (index >= renderers_.size())
|
|
38 {
|
|
39 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
|
|
40 }
|
|
41
|
|
42 assert(countMissing_ <= renderers_.size());
|
|
43
|
|
44 if (renderers_[index] != NULL)
|
|
45 {
|
|
46 assert(countMissing_ < renderers_.size());
|
|
47 delete renderers_[index];
|
|
48 renderers_[index] = NULL;
|
|
49 countMissing_++;
|
|
50 }
|
|
51 }
|
|
52
|
|
53 public:
|
|
54 Scene(const SliceGeometry& slice,
|
|
55 size_t countLayers) :
|
|
56 slice_(slice),
|
|
57 countMissing_(countLayers),
|
|
58 renderers_(countLayers, NULL)
|
|
59 {
|
|
60 }
|
|
61
|
|
62 ~Scene()
|
|
63 {
|
|
64 for (size_t i = 0; i < renderers_.size(); i++)
|
|
65 {
|
|
66 DeleteLayer(i);
|
|
67 }
|
|
68 }
|
|
69
|
|
70 void SetLayer(size_t index,
|
|
71 ILayerRenderer* renderer) // Takes ownership
|
|
72 {
|
|
73 if (renderer == NULL)
|
|
74 {
|
|
75 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
|
|
76 }
|
|
77
|
|
78 DeleteLayer(index);
|
|
79
|
|
80 renderers_[index] = renderer;
|
|
81 countMissing_--;
|
|
82 }
|
|
83
|
|
84 const SliceGeometry& GetSlice() const
|
|
85 {
|
|
86 return slice_;
|
|
87 }
|
|
88
|
|
89 bool IsComplete() const
|
|
90 {
|
|
91 return countMissing_ == 0;
|
|
92 }
|
|
93
|
|
94 bool IsSamePlane(const SliceGeometry& slice,
|
|
95 double sliceThickness)
|
|
96 {
|
|
97 return slice_.IsSamePlane(slice, sliceThickness);
|
|
98 }
|
|
99
|
|
100 bool RenderScene(CairoContext& context,
|
|
101 const ViewportGeometry& view)
|
|
102 {
|
|
103 bool fullQuality = true;
|
|
104
|
|
105 for (size_t i = 0; i < renderers_.size(); i++)
|
|
106 {
|
|
107 if (renderers_[i] != NULL &&
|
|
108 !renderers_[i]->RenderLayer(context, view))
|
|
109 {
|
|
110 return false;
|
|
111 }
|
|
112
|
|
113 if (renderers_[i] != NULL &&
|
|
114 !renderers_[i]->IsFullQuality())
|
|
115 {
|
|
116 fullQuality = false;
|
|
117 }
|
|
118 }
|
|
119
|
|
120 if (!fullQuality)
|
|
121 {
|
|
122 double x, y;
|
|
123 view.MapDisplayToScene(x, y, static_cast<double>(view.GetDisplayWidth()) / 2.0, 10);
|
|
124
|
|
125 cairo_t *cr = context.GetObject();
|
|
126 cairo_translate(cr, x, y);
|
|
127 cairo_arc(cr, 0, 0, 5.0 / view.GetZoom(), 0, 2 * M_PI);
|
|
128 cairo_set_line_width(cr, 2.0 / view.GetZoom());
|
|
129 cairo_set_source_rgb(cr, 1, 1, 1);
|
|
130 cairo_stroke_preserve(cr);
|
|
131 cairo_set_source_rgb(cr, 1, 0, 0);
|
|
132 cairo_fill(cr);
|
|
133 }
|
|
134
|
|
135 return true;
|
|
136 }
|
|
137
|
|
138 void SetLayerStyle(size_t index,
|
|
139 const RenderStyle& style)
|
|
140 {
|
|
141 if (renderers_[index] != NULL)
|
|
142 {
|
|
143 renderers_[index]->SetLayerStyle(style);
|
|
144 }
|
|
145 }
|
|
146 };
|
|
147
|
|
148
|
|
149 bool LayerWidget::LookupLayer(size_t& index /* out */,
|
|
150 ILayerSource& layer) const
|
|
151 {
|
|
152 LayersIndex::const_iterator found = layersIndex_.find(&layer);
|
|
153
|
|
154 if (found == layersIndex_.end())
|
|
155 {
|
|
156 return false;
|
|
157 }
|
|
158 else
|
|
159 {
|
|
160 index = found->second;
|
|
161 assert(index < layers_.size() &&
|
|
162 layers_[index] == &layer);
|
|
163 return true;
|
|
164 }
|
|
165 }
|
|
166
|
|
167
|
|
168 void LayerWidget::GetSceneExtent(double& x1,
|
|
169 double& y1,
|
|
170 double& x2,
|
|
171 double& y2)
|
|
172 {
|
|
173 bool first = true;
|
|
174
|
|
175 for (size_t i = 0; i < layers_.size(); i++)
|
|
176 {
|
|
177 double ax, ay, bx, by;
|
|
178
|
|
179 assert(layers_[i] != NULL);
|
|
180 if (layers_[i]->GetExtent(ax, ay, bx, by, slice_))
|
|
181 {
|
|
182 if (ax > bx)
|
|
183 {
|
|
184 std::swap(ax, bx);
|
|
185 }
|
|
186
|
|
187 if (ay > by)
|
|
188 {
|
|
189 std::swap(ay, by);
|
|
190 }
|
|
191
|
|
192 //LOG(INFO) << "Extent of layer " << i << ": (" << ax << "," << ay << ")->(" << bx << "," << by << ")";
|
|
193 printf("Extent %d: (%f,%f) -> (%f,%f)\n", (int) i, ax, ay, bx, by);
|
|
194
|
|
195 if (first)
|
|
196 {
|
|
197 x1 = ax;
|
|
198 y1 = ay;
|
|
199 x2 = bx;
|
|
200 y2 = by;
|
|
201 first = false;
|
|
202 }
|
|
203 else
|
|
204 {
|
|
205 x1 = std::min(x1, ax);
|
|
206 y1 = std::min(y1, ay);
|
|
207 x2 = std::max(x2, bx);
|
|
208 y2 = std::max(y2, by);
|
|
209 }
|
|
210 }
|
|
211 }
|
|
212
|
|
213 if (first)
|
|
214 {
|
|
215 // Set a default extent of (-1,-1) -> (0,0)
|
|
216 x1 = -1;
|
|
217 y1 = -1;
|
|
218 x2 = 1;
|
|
219 y2 = 1;
|
|
220 }
|
|
221
|
|
222 // Ensure the extent is non-empty
|
|
223 if (x1 >= x2)
|
|
224 {
|
|
225 double tmp = x1;
|
|
226 x1 = tmp - 0.5;
|
|
227 x2 = tmp + 0.5;
|
|
228 }
|
|
229
|
|
230 if (y1 >= y2)
|
|
231 {
|
|
232 double tmp = y1;
|
|
233 y1 = tmp - 0.5;
|
|
234 y2 = tmp + 0.5;
|
|
235 }
|
|
236 }
|
|
237
|
|
238
|
|
239 bool LayerWidget::RenderScene(CairoContext& context,
|
|
240 const ViewportGeometry& view)
|
|
241 {
|
|
242 if (currentScene_.get() != NULL)
|
|
243 {
|
|
244 return currentScene_->RenderScene(context, view);
|
|
245 }
|
|
246 else
|
|
247 {
|
|
248 return true;
|
|
249 }
|
|
250 }
|
|
251
|
|
252
|
|
253 void LayerWidget::ResetPendingScene()
|
|
254 {
|
|
255 pendingScene_.reset(new Scene(slice_, layers_.size()));
|
|
256 }
|
|
257
|
|
258
|
|
259 void LayerWidget::UpdateLayer(size_t index,
|
|
260 ILayerRenderer* renderer,
|
|
261 const SliceGeometry& slice)
|
|
262 {
|
|
263 printf("Updating layer %d\n", (int) index);
|
|
264
|
|
265 std::auto_ptr<ILayerRenderer> tmp(renderer);
|
|
266
|
|
267 if (renderer == NULL)
|
|
268 {
|
|
269 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
|
|
270 }
|
|
271
|
|
272 if (index >= layers_.size())
|
|
273 {
|
|
274 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
|
|
275 }
|
|
276
|
|
277 assert(layers_.size() == styles_.size());
|
|
278 renderer->SetLayerStyle(styles_[index]);
|
|
279
|
|
280 if (currentScene_.get() != NULL &&
|
|
281 currentScene_->IsSamePlane(slice, sliceThickness_))
|
|
282 {
|
|
283 currentScene_->SetLayer(index, tmp.release());
|
|
284 NotifyChange();
|
|
285 }
|
|
286 else if (pendingScene_.get() != NULL &&
|
|
287 pendingScene_->IsSamePlane(slice, sliceThickness_))
|
|
288 {
|
|
289 pendingScene_->SetLayer(index, tmp.release());
|
|
290
|
|
291 if (currentScene_.get() == NULL ||
|
|
292 pendingScene_->IsComplete())
|
|
293 {
|
|
294 currentScene_ = pendingScene_;
|
|
295 NotifyChange();
|
|
296 }
|
|
297 }
|
|
298 }
|
|
299
|
|
300
|
|
301 LayerWidget::LayerWidget() :
|
|
302 started_(false),
|
|
303 sliceThickness_(1)
|
|
304 {
|
|
305 SetBackgroundCleared(true);
|
|
306 }
|
|
307
|
|
308
|
|
309 LayerWidget::~LayerWidget()
|
|
310 {
|
|
311 for (size_t i = 0; i < layers_.size(); i++)
|
|
312 {
|
|
313 delete layers_[i];
|
|
314 }
|
|
315 }
|
|
316
|
|
317
|
|
318 size_t LayerWidget::AddLayer(ILayerSource* layer) // Takes ownership
|
|
319 {
|
|
320 if (layer == NULL)
|
|
321 {
|
|
322 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
|
|
323 }
|
|
324
|
|
325 size_t index = layers_.size();
|
|
326 layers_.push_back(layer);
|
|
327 styles_.push_back(RenderStyle());
|
|
328 layersIndex_[layer] = index;
|
|
329
|
|
330 ResetPendingScene();
|
|
331 layer->SetObserver(*this);
|
|
332
|
|
333 return index;
|
|
334 }
|
|
335
|
|
336
|
|
337 void LayerWidget::SetLayerStyle(size_t layer,
|
|
338 const RenderStyle& style)
|
|
339 {
|
|
340 if (layer >= layers_.size())
|
|
341 {
|
|
342 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
|
|
343 }
|
|
344
|
|
345 assert(layers_.size() == styles_.size());
|
|
346 styles_[layer] = style;
|
|
347
|
|
348 if (currentScene_.get() != NULL)
|
|
349 {
|
|
350 currentScene_->SetLayerStyle(layer, style);
|
|
351 }
|
|
352
|
|
353 if (pendingScene_.get() != NULL)
|
|
354 {
|
|
355 pendingScene_->SetLayerStyle(layer, style);
|
|
356 }
|
|
357
|
|
358 NotifyChange();
|
|
359 }
|
|
360
|
|
361
|
|
362 void LayerWidget::SetSlice(const SliceGeometry& slice,
|
|
363 double sliceThickness)
|
|
364 {
|
|
365 if (!slice_.IsSamePlane(slice, 100.0 * std::numeric_limits<double>::epsilon()))
|
|
366 {
|
|
367 if (currentScene_.get() == NULL ||
|
|
368 (pendingScene_.get() != NULL &&
|
|
369 pendingScene_->IsComplete()))
|
|
370 {
|
|
371 currentScene_ = pendingScene_;
|
|
372 }
|
|
373
|
|
374 slice_ = slice;
|
|
375 sliceThickness_ = sliceThickness;
|
|
376 ResetPendingScene();
|
|
377
|
|
378 if (started_)
|
|
379 {
|
|
380 for (size_t i = 0; i < layers_.size(); i++)
|
|
381 {
|
|
382 assert(layers_[i] != NULL);
|
|
383 layers_[i]->ScheduleLayerCreation(slice_);
|
|
384 }
|
|
385 }
|
|
386 }
|
|
387 }
|
|
388
|
|
389
|
|
390 void LayerWidget::NotifyGeometryReady(ILayerSource& source)
|
|
391 {
|
|
392 size_t i;
|
|
393 if (LookupLayer(i, source))
|
|
394 printf("Geometry ready for layer %d\n", (int) i);
|
|
395
|
|
396 SetDefaultView();
|
|
397 layers_[i]->ScheduleLayerCreation(slice_);
|
|
398 }
|
|
399
|
|
400
|
|
401 void LayerWidget::NotifySourceChange(ILayerSource& source)
|
|
402 {
|
|
403 source.ScheduleLayerCreation(slice_);
|
|
404 }
|
|
405
|
|
406
|
|
407 void LayerWidget::NotifySliceChange(ILayerSource& source,
|
|
408 const SliceGeometry& slice)
|
|
409 {
|
|
410 if (slice_.IsSamePlane(slice, sliceThickness_))
|
|
411 {
|
|
412 source.ScheduleLayerCreation(slice_);
|
|
413 }
|
|
414 }
|
|
415
|
|
416
|
|
417 void LayerWidget::NotifyLayerReady(ILayerRenderer* renderer,
|
|
418 ILayerSource& source,
|
|
419 const SliceGeometry& viewportSlice)
|
|
420 {
|
|
421 std::auto_ptr<ILayerRenderer> tmp(renderer);
|
|
422
|
|
423 size_t i;
|
|
424 if (LookupLayer(i, source))
|
|
425 printf("Renderer ready for layer %d\n", (int) i);
|
|
426
|
|
427 size_t index;
|
|
428 if (LookupLayer(index, source))
|
|
429 {
|
|
430 UpdateLayer(index, tmp.release(), viewportSlice);
|
|
431 }
|
|
432 }
|
|
433
|
|
434
|
|
435 void LayerWidget::NotifyLayerError(ILayerSource& source,
|
|
436 const SliceGeometry& viewportSlice)
|
|
437 {
|
|
438 size_t i;
|
|
439 if (LookupLayer(i, source))
|
|
440 LOG(ERROR) << "Error on layer " << i;
|
|
441 }
|
|
442
|
|
443
|
|
444 void LayerWidget::Start()
|
|
445 {
|
|
446 if (started_)
|
|
447 {
|
|
448 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
|
|
449 }
|
|
450
|
|
451 for (size_t i = 0; i < layers_.size(); i++)
|
|
452 {
|
|
453 assert(layers_[i] != NULL);
|
|
454 layers_[i]->Start();
|
|
455 }
|
|
456 }
|
|
457 }
|